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Finding the Fourth Proportional to 699.08, 965.94 and 574.52

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Solution

The fourth proportional to 699.08, 965.94 and 574.52 is: 793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.08 : 965.94 = 574.52 : x
  2. Step 2: Convert to fraction form
    699.08/965.94 = 574.52/x
  3. Step 3: Cross multiply
    699.08x = 965.94 × 574.52
  4. Step 4: Simplify right side
    699.08x = 554,951.85
  5. Step 5: Solve for x
    x = 554,951.85/699.08
  6. Step 6: Final answer
    x = 793.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.